climate control panel

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89xlt

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ok iv checked most of the vacum lines and everthing still blows on defrost is there any thing in the dash that could come loose and cause this. can i put a diff climate control panel from another ford in there. it a 89.

 

Krafty

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if all the lines in the dash are good then its probably a leak under the hood, the usual culprit is the vacuum canister on the passenger side fender. if you've got the old soup can canister you can usually find a plastic replacement out of a late 90's ford.

 
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Rons beast

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If your Vac can isn't bad as Krafty suggested, The vacuum line to the recirculating (inside-outside) blend door, is a usual culprit. The vac solenoid requires vacuum to provide outside air, and it ofter gets brittle where the line attaches to the solenoid.

Let us know what you find.

Good luck

 

miesk5

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yo,

Here is info I combined from a few of your other posts,since there are other issues that may help us here figure out where & what to dwell on first;

such as in your;

"everything blowing on defrost very little on floor. HELP" at;

"http://broncozone.com/topic/22423-everything-blowing-on-defrost-very-little-on-floor-help/page__p__117050#entry117050

& ideling at http://broncozone.com/topic/22462-ideling/

Our responses centered on a vacuum leak at a few HVAC points and other places in Emission and brake booster sys

Seabronc wrote; "...The color of the line may depend on what year the truck is. According to the 1989 and 1995 EVTMs the line is Black on the engine side of the fire wall and up to the Harness Vacuum Connection Block. In some vehicles it goes from the vacuum tree on the intake manifold to a Vacuum Reservoir on the right side of the engine compartment and then to the Harness Vacuum Connection. The reservoir is to prevent sudden drops in vacuum level, such as during heavy acceleration, from having a negative effect on the A/C Control. Diagram attached

Hope this helps.

http://broncozone.com/index.php?app=core&module=attach&section=attach&attach_rel_module=post&attach_id=11356

Good luck,"

and I wrote; "..Altho I try not to refer to another site, look @ Vacuum Hose (Line) Replacement w/Rubber Hose in an 89 F 1505.0; (100% same as Bronco"...This should cover most 87-96 V8s (302\351); for the I6s (300)s the solenoids are in the same general area, as well as the valves. You can use this article as a basis to replace yours, just keep in mind it..." Source: by Booba5185 (Matt). Matt replaced All Emission, HVAC, Fuel Pressure Regulator (FPR), & brake booster vacuum lines

I replied awhile ago on your Q about what a vac leak would cause w/; a vacuum leak will cause a fast idle speed; A rough idle or stalling; Hesitation or misfiring when accelerating; & can cause a sensor to turn on the check engine light and have the EEC store a code

There may be other posts that can be included, but I can open only so many browsers now to check

EDIT; ok the other post is;

no acceleration

http://broncozone.com/topic/22463-no-acceleration/

 

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